U r absolutely right about this, it's not about furhire, Amazoness, U.A., mermails or any particular Deck, the thing is duels literally take less than a minute, everybody is running a sort of OTK deck, you go firt you lose, you go 2nd you win, as simple as that
Addition info: even if you go first and set E con or Windstorm, it s going to be useless if the oponent has Hey Trunade (only if you have Sphere Kuriboh in you re hand, you may still have a chance).